Page 87 - Play Safe Keep Safe
P. 87
CHAPTER 14 FIRST AID
ACTIVITY
Blood, Bleeding Cuts And Bruises PRINT FROM DOWNLOADS
There are thousands of kilometres of blood vessels in Did you know?...
Did you know?...
your body. These tiny tubes are your body's motorways.
They carry blood to every corner of your body, and Every time your heart beats, it sends
with it they carry oxygen and food. If your blood a small wave of pressure along your
stopped flowing, your body would be starved of oxygen blood vessels. This is called a pulse.
and food and you would die. Thank goodness you have
got a pump to keep your blood flowing. That pump is
your heart.
Platelets
These 'plug
Red blood cells up' wounds
They pick up if you cut
oxygen when yourself.
your blood passes
through your lungs.
Try to find your pulse in your wrist. Use your fingers, not your thumb.
White blood cells
They help to How many times does your heart beat in 1 minute?
destroy germs.
Measure your pulse after you How many beats per minute
have been... could you feel?
Plasma
This is the watery a. Lying down for three minutes.
liquid which carries
digested food. b. Sitting up for three minutes.
c. Running for three minutes.
74